One-step removal of alkynes and propadiene from cracking gases using a multi-functional molecular separator.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
26 May 2022
26 May 2022
Historique:
received:
25
09
2021
accepted:
26
04
2022
entrez:
26
5
2022
pubmed:
27
5
2022
medline:
27
5
2022
Statut:
epublish
Résumé
Refineries generally employ multiple energy-intensive distillation/adsorption columns to separate and purify complicated chemical mixtures. Materials such as multi-functional molecular separators integrating various modules capable of separating molecules according to their shape and chemical properties simultaneously may represent an alternative. Herein, we address this challenge in the context of one-step removal of alkynes and propadiene from cracking gases (up to 10 components) using a multi-functional and responsive material ZU-33 through a guest/temperature dual-response regulation strategy. The responsive and guest-adaptive properties of ZU-33 provide the optimized binding energy for alkynes and propadiene, and avoid the competitive adsorption of olefins and paraffins, which is verified by breakthrough tests, single-crystal X-ray diffraction experiments, and simulation studies. The responsive properties to different stimuli endow materials with multiple regulation methods and broaden the boundaries of the applicability of porous materials to challenging separations.
Identifiants
pubmed: 35618705
doi: 10.1038/s41467-022-30408-2
pii: 10.1038/s41467-022-30408-2
pmc: PMC9135742
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
2955Subventions
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 22122811
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : U1862110
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 21938011
Organisme : National Natural Science Foundation of China (National Science Foundation of China)
ID : 21725603
Organisme : Natural Science Foundation of Zhejiang Province (Zhejiang Provincial Natural Science Foundation)
ID : LR20B060001
Informations de copyright
© 2022. The Author(s).
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